B 830 303 442

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The B 830 303 442 universal card has a maximum working pressure at port P of 4570 PSI, a pressure medium temperature range of -4° to 176°F, an IP 65 protection rating, and a maximum solenoid current of 3.7 Amps. As part of the VT-UK2 Universal Card Series by Bosch Rexroth Indramat, it has a 100% duty cycle and a nominal flow of 21 GPM.

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Product Description:

The B 830 303 442 universal card is ideal for hydraulic systems that require robust and precise control. It is designed by Bosch Rexroth to support a nominal flow of 21 GPM, enabling efficient hydraulic fluid movement in a variety of applications. This flow capacity ensures optimal system performance, delivering precise and consistent hydraulic control. This card offers a maximum working pressure of 4570 PSI at port P. This high-pressure capability ensures reliable performance in demanding hydraulic and pneumatic systems.

This card can be used effectively in intensive industrial applications where robust pressure handling is required. It supports a pressure medium temperature range of -4° to 176°F, ensuring versatility across various operating conditions. This broad temperature tolerance makes it suitable for environments with extreme cold or heat, providing dependable performance across various operating conditions. The card supports a 100% duty cycle, meaning it can operate continuously without the need for cooling or rest periods. This ensures consistent performance in demanding applications, enhancing reliability and minimizing downtime in hydraulic control systems.

The B 830 303 442 has a maximum solenoid current of 3.7 Amps, allowing it to deliver sufficient power to operate solenoid-based hydraulic systems. It is rated for a 50 A maximum power, ensuring reliable performance with minimal energy requirements. The card is compatible with a wide viscosity range, offering flexibility in fluid choice. It operates optimally with a recommended viscosity of 100–465 SUS (20–100 cSt) and supports a maximum permitted range of 60–3700 SUS (10–800 cSt). This adaptability ensures efficient performance across diverse hydraulic systems. The card comes with an IP65 protection rating, ensuring resistance to dust ingress and protection against water jets from any direction. This enhances durability and makes the card suited for use even in harsh setups.

Coil Resistance R20
2.5 Ω
Degree Of Protection
IP 65 as per DIN 40 050 and IEC 14 434/5
Duty Cycle
100%
Flow Direction
See symbol
Hysteresis
≤ 0.3%
Max. Permitted Viscosity
60…3700 SUS (10…800 cSt)
Max. Working Pressure Port P
4570 PSI (315 bar)
Max. Working Pressure Port T
≤ 29 PSI (2 bar)
Nominal Flow At ∆p = 116 Psi
21 GPM (80 l/min)
Position Transducer Connector
Special Connector
Power Consumption Max
50 W
Pressure Medium Temperature
-4°…176°F (-20°…+80°C)
Response Time 100% Signal Change
25 ms
Solenoid Current Max
3.7 A
Viscosity, Recommended
100…465 SUS (20…100 cSt)

Frequently Asked Questions about B 830 303 442:

Q: What is the maximum working pressure of the B 830 303 442?

A: The B 830 303 442 supports a maximum working pressure of 4570 PSI at port P, making it suitable for high-pressure hydraulic systems.

Q: What is the recommended viscosity for the B 830 303 442 universal card?

A: The B 830 303 442 is designed to operate with a recommended viscosity of 100–465 SUS (20–100 cSt).

Q: What is the maximum solenoid current for the B 830 303 442?

A: The B 830 303 442 can handle a maximum solenoid current of 3.7 Amps. This allows it to power high-performance solenoids without risking overload.

Q: What is the duty cycle of the B 830 303 442 universal card?

A: The B 830 303 442 has a 100% duty cycle, meaning it can operate continuously without the need for rest periods. This is beneficial for systems requiring constant control without downtime.

Q: What is the maximum power consumption of the B 830 303 442?

A: The B 830 303 442 has a maximum power consumption of 50 watts, which helps maintain energy efficiency in your hydraulic systems.


Internal Product Review

  • ‘‘The B 830 303 442 offers exceptional reliability in hydraulic systems that require robust and precise control. It is flexible enough to handle a broad viscosity range making it suitable for various applications. However, its maximum power of 50 watts might be limiting in high-demand scenarios. ’’

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